Re: [Xen-users] Issues Booting DomU on TI DRA72 Chip

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 08/07/15 15:07, Brandon Perez wrote:
> On 07/08/2015 11:00 AM, Ian Campbell wrote:
>> On Wed, 2015-07-08 at 09:54 -0400, Brandon Perez wrote:
>>>> Pressing Ctrl-o on a xen guest console is the equivalent of the magic
>>>> sysrq key, you might find pressing some of those might show what is
>>>> going on.
>>>>
>>>
>>>      If I press the sysrq key combinations, while attached to the guest
>>> with "xl console", Dom0 responds with the appropriate message, but the
>>> DomU guest does not acknowledge the sysrq keys.
>>
>> If you are logged in via the dom0 console to run xl console to get the
>> guest console then I think dom0 will eat the Ctrl-o. Not sure if
>> something like Ctrl-o Ctrl-o will work. "xl sysrq <domain> <key>" should
>> do the same sort of thing I think.
>>
>> Ian.
>>
>>>> Otherwise I'm completely stumped. It's probably worth going back to the
>>>> data sheet and making sure everything matches in the DTS, in particular
>>>> for virtulisation extension related things which might not be used by
>>>> native Linux (e,g, the vtimer interrupt SPI number etc), but really
>>>> that's getting a bit desperate.
>>>>
>>>> Ian.
>>>>
>>
>>
> 
>     The guest doesn't respond to any of the sysrq key combinations, I
> tried with both of the methods.

Which is expected because the console is not yet setup.

Based on the log you provided earlier, I would go start to check if the
guest receive the interrupt.

On the xen console (CTRL-a three times) you can type 'q' it will print
all the IRQ present in the LRs and which IRQ is pending for a given domain.

Regards,

-- 
Julien Grall

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